289666022 has 8 divisors (see below), whose sum is σ = 435897072. Its totient is φ = 144367000.

The previous prime is 289666019. The next prime is 289666033. The reversal of 289666022 is 220666982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232229 + ... + 233472.

It is an arithmetic number, because the mean of its divisors is an integer number (54487134).

Almost surely, 2^289666022 is an apocalyptic number.

289666022 is a deficient number, since it is larger than the sum of its proper divisors (146231050).

289666022 is a wasteful number, since it uses less digits than its factorization.

289666022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466014.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 289666022 is about 17019.5776093298. The cubic root of 289666022 is about 661.6564011320.

The spelling of 289666022 in words is "two hundred eighty-nine million, six hundred sixty-six thousand, twenty-two".